This paper proposes the variable block-size transform and
\ncontext-based entropy coding techniques for the enhancement
\nlayer of FGS (Fine Granularity Scalable) video coding.
\nFirst, the variable block-size transform is introduced
\ninto the enhancement layer to improve the performance of
\nFGS in terms of both visual quality and PSNR. Different
\nfrom that used in the traditional single layer coding, an RD
\nselection algorithm is proposed to optimally decide the
\ntransform size of each block under consideration of the
\nconsistent performance at a range of bit rate. Furthermore,
\nto fully take the advantage of the characteristics and correlations
\nof symbols coded in the FGS enhancement layer,
\ndifferent context models are designed for the arithmetic
\ncoding according to symbol type and transform size. Experimental
\nresults show that the coding efficiency of FGS
\ncan be increased 0.2-0.9dB with the proposed techniques.<\/p>\n","protected":false},"excerpt":{"rendered":"
This paper proposes the variable block-size transform and context-based entropy coding techniques for the enhancement layer of FGS (Fine Granularity Scalable) video coding. First, the variable block-size transform is introduced into the enhancement layer to improve the performance of FGS in terms of both visual quality and PSNR. Different from that used in the traditional […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":null,"msr_publishername":"Institute of Electrical and Electronics Engineers, Inc.","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"","msr_organization":"","msr_pages_string":"","msr_page_range_start":"","msr_page_range_end":"","msr_series":"","msr_volume":"","msr_copyright":"\u00a9 2004 IEEE. Personal use of this material is permitted. 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